<template>
	<div class="register">
		<el-form ref="registerRef" :model="registerForm" :rules="registerRules" class="register-form">
			<h3 class="title">{{ title }}</h3>
			<el-form-item prop="username">
				<el-input
					v-model="registerForm.username"
					type="text"
					size="large"
					auto-complete="off"
					placeholder="账号"
				>
					<template #prefix>
						<svg-icon icon-class="user" class="el-input__icon input-icon"/>
					</template>
				</el-input>
			</el-form-item>
			<el-form-item prop="password">
				<el-input
					v-model="registerForm.password"
					type="password"
					size="large"
					auto-complete="off"
					placeholder="密码"
					@keyup.enter="handleRegister"
				>
					<template #prefix>
						<svg-icon icon-class="password" class="el-input__icon input-icon"/>
					</template>
				</el-input>
			</el-form-item>
			<el-form-item prop="confirmPassword">
				<el-input
					v-model="registerForm.confirmPassword"
					type="password"
					size="large"
					auto-complete="off"
					placeholder="确认密码"
					@keyup.enter="handleRegister"
				>
					<template #prefix>
						<svg-icon icon-class="password" class="el-input__icon input-icon"/>
					</template>
				</el-input>
			</el-form-item>
			<el-form-item prop="code" v-if="captchaEnabled">
				<el-input
					size="large"
					v-model="registerForm.code"
					auto-complete="off"
					placeholder="验证码"
					style="width: 63%"
					@keyup.enter="handleRegister"
				>
					<template #prefix>
						<svg-icon icon-class="validCode" class="el-input__icon input-icon"/>
					</template>
				</el-input>
				<div class="register-code">
					<img :src="codeUrl" @click="getCode" class="register-code-img"/>
				</div>
			</el-form-item>
			<el-form-item style="width:100%;">
				<el-button
					:loading="loading"
					size="large"
					type="primary"
					style="width:100%;"
					@click.prevent="handleRegister"
				>
					<span v-if="!loading">注 册</span>
					<span v-else>注 册 中...</span>
				</el-button>
				<div style="float: right;">
					<router-link class="link-type" :to="'/login'">使用已有账户登录</router-link>
				</div>
			</el-form-item>
		</el-form>
		<!--  底部  -->
		<div class="el-register-footer">
			<span>Copyright © 2018-2025 ruoyi.vip All Rights Reserved.</span>
		</div>
	</div>
</template>

<script setup>
import {ElMessageBox} from "element-plus";
import {getCodeImg, register} from "@/api/login";

const title = import.meta.env.VITE_APP_TITLE;
const router = useRouter();
const {proxy} = getCurrentInstance();

const registerForm = ref({
	username: "",
	password: "",
	confirmPassword: "",
	code: "",
	uuid: ""
});

const equalToPassword = (rule, value, callback) => {
	if (registerForm.value.password !== value) {
		callback(new Error("两次输入的密码不一致"));
	} else {
		callback();
	}
};

const registerRules = {
	username: [
		{required: true, trigger: "blur", message: "请输入您的账号"},
		{min: 2, max: 20, message: "用户账号长度必须介于 2 和 20 之间", trigger: "blur"}
	],
	password: [
		{required: true, trigger: "blur", message: "请输入您的密码"},
		{min: 5, max: 20, message: "用户密码长度必须介于 5 和 20 之间", trigger: "blur"},
		{pattern: /^[^<>"'|\\]+$/, message: "不能包含非法字符：< > \" ' \\\ |", trigger: "blur"}
	],
	confirmPassword: [
		{required: true, trigger: "blur", message: "请再次输入您的密码"},
		{required: true, validator: equalToPassword, trigger: "blur"}
	],
	code: [{required: true, trigger: "change", message: "请输入验证码"}]
};

const codeUrl = ref("");
const loading = ref(false);
const captchaEnabled = ref(true);

function handleRegister() {
	proxy.$refs.registerRef.validate(valid => {
		if (valid) {
			loading.value = true;
			register(registerForm.value).then(res => {
				const username = registerForm.value.username;
				ElMessageBox.alert("<font color='red'>恭喜你，您的账号 " + username + " 注册成功！</font>", "系统提示", {
					dangerouslyUseHTMLString: true,
					type: "success",
				}).then(() => {
					router.push("/login");
				}).catch(() => {
				});
			}).catch(() => {
				loading.value = false;
				if (captchaEnabled) {
					getCode();
				}
			});
		}
	});
}

function getCode() {
	getCodeImg().then(res => {
		captchaEnabled.value = res.captchaEnabled === undefined ? true : res.captchaEnabled;
		if (captchaEnabled.value) {
			codeUrl.value = "data:image/gif;base64," + res.img;
			registerForm.value.uuid = res.uuid;
		}
	});
}

getCode();
</script>

<style lang='scss' scoped>
.register {
	display: flex;
	justify-content: center;
	align-items: center;
	height: 100%;
	background-image: url("../assets/images/login-background.png");
	background-size: cover;
}

.title {
	margin: 0px auto 30px auto;
	text-align: center;
	color: #707070;
}

.register-form {
	border-radius: 6px;
	background: #ffffff;
	width: 400px;
	padding: 25px 25px 5px 25px;

	.el-input {
		height: 40px;

		input {
			height: 40px;
		}
	}

	.input-icon {
		height: 39px;
		width: 14px;
		margin-left: 0px;
	}
}

.register-tip {
	font-size: 13px;
	text-align: center;
	color: #bfbfbf;
}

.register-code {
	width: 33%;
	height: 40px;
	float: right;

	img {
		cursor: pointer;
		vertical-align: middle;
	}
}

.el-register-footer {
	height: 40px;
	line-height: 40px;
	position: fixed;
	bottom: 0;
	width: 100%;
	text-align: center;
	color: #fff;
	font-family: Arial;
	font-size: 12px;
	letter-spacing: 1px;
}

.register-code-img {
	height: 40px;
	padding-left: 12px;
}
</style>
